White Sweetvetch
Hedysarum sulphurescens
Matt Lavin from Bozeman, Montana, USA
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Fabaceae
- Genus:
- Hedysarum
- Species:
- Hedysarum sulphurescens
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 2-3 ft
- Light Requirements:
- Full Sun
- Drought Tolerance:
- High
- Bloom Months:
- mar, apr, may, jun, jul, aug
- Bloom Colors:
- White
Native Range
United States: Idaho, Montana, Oregon, Washington, Wyoming, Canada: Alberta, British Columbia
Reported Fauna Sightings
Bees: Frigid Bumble Bee (Bombus frigidus), Frigid Bumble Bee (Bombus frigidus), Red-belted bumble bee (Bombus rufocinctus), Red-belted bumble bee (Bombus rufocinctus), Yellow head bumble bee (Bombus flavifrons), Yellow head bumble bee (Bombus flavifrons)
Soil Requirements
- Soil Type:
- well-drained, sandy or gravelly soil
- pH:
- 6.0 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- native to rocky slopes and open woods
Germination Information
Pre-treatment: Seeds are subjected to an 85 day cold moist stratification or no stratification. Seeds are inoculated with Rhizobium at time of sowing.
Establishment: Seeds are hand collected in late August when loments turn tan. Seeds are red-brown at maturity and are stored in paper bags prior to cleaning. The plant occurs in open wooded slopes to the alpine; from east slope of the Cascades to Alberta, Montana and Wyoming.
Source: npn.rngr.net